     /* 全局样式 */
 body {
     font-family: 'Noto Serif SC', serif;
     background-color: #F8F4E9;
     color: #333;
     background-image: url('../img/rice-paper-texture.png');
 }

/* 传统纹样边框 */
.decorative-border {
    position: relative;
    padding: 20px;
}

.decorative-border::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border: 2px solid #9A1F1A;
    border-image: url('../img/chinese-pattern-border.png') 30 round;
    pointer-events: none;
}

/* 导航栏 - 仿古风格 */
.navbar {
    background: linear-gradient(to right, #2A3547, #1A2639) !important;
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
    border-bottom: 2px solid #D4B16A;
}

.navbar-brand {
    font-family: '汉仪尚巍手书', sans-serif;
    font-size: 1.2rem;
    color: #F8F4E9 !important;
    position: relative;
    padding-left: 30px;
}

.navbar-brand svg {
    position: absolute;
    left: 5px;
    top: 50%;
    transform: translateY(-50%);
    color: #D4B16A;
}

/* 轮播图 - 画轴效果 */
.carousel {
    position: relative;
    margin: 30px auto;
    max-width: 1200px;
    border-top: 12px solid #9A1F1A;
    border-bottom: 12px solid #9A1F1A;
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
}

.carousel::before, .carousel::after {
    content: "";
    position: absolute;
    top: -12px;
    width: 40px;
    height: calc(100% + 24px);
    background: #2A3547;
    z-index: 10;
}

.carousel::before {
    left: -40px;
    border-radius: 8px 0 0 8px;
}

.carousel::after {
    right: -40px;
    border-radius: 0 8px 8px 0;
}

.carousel-item img {
    height: 450px;
    object-fit: cover;
    object-position: center;
}

/* 侧边导航 - 仿古书签 */
.vertical-navbar {
    background: #F0E8D5;
    border-radius: 0 8px 8px 0;
    box-shadow: 3px 3px 10px rgba(0,0,0,0.1);
    border-left: 5px solid #9A1F1A;
}

.vertical-navbar .nav-link {
    color: #2A3547;
    padding: 12px 20px;
    margin: 5px 0;
    border-bottom: 1px dashed #D4B16A;
    transition: all 0.3s ease;
    position: relative;
}

.vertical-navbar .nav-link::before {
    content: "";
    position: absolute;
    left: -5px;
    top: 0;
    bottom: 0;
    width: 0;
    background: #9A1F1A;
    transition: width 0.3s ease;
}

.vertical-navbar .nav-link:hover {
    color: #9A1F1A;
    padding-left: 25px;
}

.vertical-navbar .nav-link:hover::before {
    width: 5px;
}

.vertical-navbar .nav-link.active {
    background-color: rgba(154, 31, 26, 0.1);
    color: #9A1F1A;
    font-weight: bold;
}

/* 商品卡片 - 仿古画框 */
.card {
    border: none;
    border-radius: 0;
    overflow: hidden;
    transition: all 0.3s ease;
    background: #F8F4E9;
    position: relative;
    box-shadow: 3px 3px 10px rgba(0,0,0,0.1);
    margin-bottom: 30px;
}

.card::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border: 1px solid #D4B16A;
    pointer-events: none;
    margin: 5px;
}

.card-img-top {
    height: 220px;
    object-fit: cover;
    border-bottom: 1px solid #D4B16A;
}

.card-body {
    padding: 15px;
    text-align: center;
}

.card-body a {
    color: #2A3547;
    text-decoration: none;
    font-weight: bold;
    display: block;
    margin-bottom: 10px;
    transition: all 0.3s ease;
}

.card-body a:hover {
    color: #9A1F1A;
}

.price {
    color: #9A1F1A;
    font-size: 1.2rem;
    font-weight: bold;
}

/* 按钮样式 - 仿古印章 */
.btn-classic {
    background: #9A1F1A;
    color: #F8F4E9;
    border: none;
    border-radius: 0;
    padding: 8px 20px;
    font-weight: bold;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.btn-classic:hover {
    color: #F8F4E9;
    background: #7A0F0A;
    transform: translateY(-2px);
}

.btn-classic::after {
    content: "";
    position: absolute;
    top: 5px;
    left: 5px;
    right: 5px;
    bottom: 5px;
    border: 1px solid rgba(248, 244, 233, 0.3);
}